句子結構分析（謂語動詞或非謂語動詞）
安徽省蚌埠二中-----朱正軍
題型：單句改錯
1. Psychologists who believe that willpower is a limited resource saying using up our willpower is the main reason why some of us fail to achieve our goals.
2. The first and foremost aid is the stocking aid, aiding the individuals suffering from the problem of bending down to reach the foot and wearing their own socks.
3. Willpower is a mysterious force that helps us control our actions and achieving our goals. We also call willpower determination, drive and self-control.
4. When safely across, she says, "thank you" in beautifully accented English and wave good-bye.
5. I watch a clumsy squirrel jump onto a tree branch and missing. I laugh and laugh.
6. Many of you shared your favorite books from childhood. You also shared stories of being read to or read to others.
7. The researchers asked volunteers to pretend they were real passengers and then lied to airport security agents.
8. For example, scientists might discover a plant in the Amazon rain forest and tested it in a lab to see if it could kill cancer cells.
9. We're trying to help people with their health, but to not harm them. And so it's good to be cautious about where we are going.
10. The researcher Simon Rasmussen says disease may also have led to a number of ancient mass migrations, or people moved from one place to another.
答案與解析
1. saying改成say。who believe that willpower is a limited resource 是一個定語從句，修飾Psychologists ，後面應該是謂語動詞，所以用say。
2. wearing改成wear。reach the foot and wear their own socks是bending down的兩個並列的目的狀語。
3. achieving改成achieve。help sb. do或help sb. to do 幫助某人做某事。achieve和control是並列成分。
4. wave改成waves。該句中waves與says是並列謂語。
5. missing改成miss。該句中miss與jump是並列成分，作watch的賓語補足語。
6. 第二個read改成reading。being read和reading都是of的賓語。
7. lied改成lie。lie與to pretend是並列的句子成分，作asked的賓語補足語。
8. tested改成test。test與discover是並列謂語。
9. 去掉to。該部分的完整形式是we are trying not to harm them。承前省略了不定式符合to。
10. moved改成moving。or在此處起解釋說明的作用，即解釋migrations的含義。
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